{"id":508,"date":"2020-04-23T05:55:26","date_gmt":"2020-04-23T05:55:26","guid":{"rendered":"https:\/\/www.thecodehub.ie\/news\/?p=508"},"modified":"2020-04-23T05:55:32","modified_gmt":"2020-04-23T05:55:32","slug":"coding-at-home-april-23rd-arrays","status":"publish","type":"post","link":"https:\/\/www.thecodehub.ie\/news\/2020\/04\/23\/coding-at-home-april-23rd-arrays\/","title":{"rendered":"Coding at Home: April 23rd, Arrays"},"content":{"rendered":"\n<p><a href=\"https:\/\/twitch.tv\/thecodehub\">We\u2019ll be live today at 1pm, Irish time<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><code>while !understandsWhileLoops<\/code><\/h2>\n\n\n\n<p>We&#8217;ve covered <code>while<\/code> loops the last few days, which are ways to repeat a certain block of code while a condition is true. We learned why this tool is handy, and when you might use it instead of a <code>for<\/code> loop.<\/p>\n\n\n\n<p><code>understandsWhileLoops = true<\/code><\/p>\n\n\n\n<p>Now we&#8217;re ready for the next tool.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Today: Arrays!<\/h2>\n\n\n\n<p>In Chapter 10, we talk about arrays. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"248\" data-attachment-id=\"509\" data-permalink=\"https:\/\/www.thecodehub.ie\/news\/2020\/04\/23\/coding-at-home-april-23rd-arrays\/image-51\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51.png?fit=796%2C658&amp;ssl=1\" data-orig-size=\"796,658\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-51\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51.png?fit=796%2C658&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51.png?resize=300%2C248&#038;ssl=1\" alt=\"\" class=\"wp-image-509\" srcset=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51.png?resize=300%2C248&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51.png?resize=768%2C635&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51.png?w=796&amp;ssl=1 796w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><figcaption>From Learn to Code 2: Arrays<\/figcaption><\/figure><\/div>\n\n\n\n<p>An array is a list of items. In Swift, the items in the list will all have the same type. In our playgrounds, we might have an array of Characters or Ints (remember, these are whole numbers).<\/p>\n\n\n\n<p>This is a heavily used tool in programming.<\/p>\n\n\n\n<p>If you skipped ahead a little bit in the Rock, Paper, Scissors playground, you may have seen arrays in use and wondered what the square brackets (&#8216;[&#8216; and &#8216;]&#8217;) were for, or some of the ways loops were used looked a <em>little<\/em> different than our <code>for <em>i<\/em> in 1...<em>n<\/em><\/code> or <code>while <em>condition<\/em><\/code> syntax.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"229\" data-attachment-id=\"510\" data-permalink=\"https:\/\/www.thecodehub.ie\/news\/2020\/04\/23\/coding-at-home-april-23rd-arrays\/image-52\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-52.png?fit=428%2C326&amp;ssl=1\" data-orig-size=\"428,326\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-52\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-52.png?fit=428%2C326&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-52.png?resize=300%2C229&#038;ssl=1\" alt=\"\" class=\"wp-image-510\" srcset=\"https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-52.png?resize=300%2C229&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-52.png?w=428&amp;ssl=1 428w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p>We&#8217;ll learn all about the syntax of arrays; how to create them, change them, and use them.<\/p>\n\n\n\n<p><a href=\"https:\/\/twitch.tv.\/thecodehub\">See you at 1pm, Irish time!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We\u2019ll be live today at 1pm, Irish time. while !understandsWhileLoops We&#8217;ve covered while loops the last few days, which are ways to repeat a certain block of code while a condition is true. We learned why this tool is handy, and when you might use it instead of a for loop. understandsWhileLoops = true Now &hellip; <a href=\"https:\/\/www.thecodehub.ie\/news\/2020\/04\/23\/coding-at-home-april-23rd-arrays\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Coding at Home: April 23rd, Arrays&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Coding at Home: April 23rd, Arrays. We take on Chapter 10 of Everyone Can Code Puzzles today at 1pm on https:\/\/twitch.tv\/thecodehub\n\nSee you then!","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[9,6,7,4,8],"tags":[],"class_list":["post-508","post","type-post","status-publish","format-standard","hentry","category-coding-at-home","category-events","category-learn-to-code-classes","category-programming","category-swift-playgrounds"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coding at Home: April 23rd, Arrays &#060; The Code Hub<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thecodehub.ie\/news\/2020\/04\/23\/coding-at-home-april-23rd-arrays\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Coding at Home: April 23rd, Arrays &#060; The Code Hub\" \/>\n<meta property=\"og:description\" content=\"We\u2019ll be live today at 1pm, Irish time. while !understandsWhileLoops We&#8217;ve covered while loops the last few days, which are ways to repeat a certain block of code while a condition is true. We learned why this tool is handy, and when you might use it instead of a for loop. understandsWhileLoops = true Now &hellip; Continue reading &quot;Coding at Home: April 23rd, Arrays&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thecodehub.ie\/news\/2020\/04\/23\/coding-at-home-april-23rd-arrays\/\" \/>\n<meta property=\"og:site_name\" content=\"The Code Hub\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/facebook.com\/thecodehub\" \/>\n<meta property=\"article:published_time\" content=\"2020-04-23T05:55:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-04-23T05:55:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thecodehub.ie\/news\/wp-content\/uploads\/2020\/04\/image-51-300x248.png\" \/>\n<meta name=\"author\" content=\"mhanlon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@thecodehubIE\" \/>\n<meta name=\"twitter:site\" content=\"@thecodehubIE\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mhanlon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/\"},\"author\":{\"name\":\"mhanlon\",\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/#\\\/schema\\\/person\\\/5a4e2bec3c92667356dda979a9f61fcd\"},\"headline\":\"Coding at Home: April 23rd, Arrays\",\"datePublished\":\"2020-04-23T05:55:26+00:00\",\"dateModified\":\"2020-04-23T05:55:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/\"},\"wordCount\":190,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/wp-content\\\/uploads\\\/2020\\\/04\\\/image-51-300x248.png\",\"articleSection\":[\"Coding at Home\",\"Events\",\"Learn to Code Classes\",\"Programming\",\"Swift Playgrounds\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/\",\"url\":\"https:\\\/\\\/www.thecodehub.ie\\\/news\\\/2020\\\/04\\\/23\\\/coding-at-home-april-23rd-arrays\\\/\",\"name\":\"Coding at Home: April 23rd, Arrays &#060; 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